What did this?
Posting Guru
Joined: Sep 2013
Posts: 1,348
Likes: 6
From: Edmonton, AB
What makes you believe you have coolant in your oil? One of the ways coolant can get into the oil is if the front cover develops a hole from cavitation and lets coolant leak in and then you end up having coolant and oil mixing together and being pushed thru the engine
There is a kit you can buy online and from napa that you can use to check and see if you have a head gasket leak. If you believe that it is coolant in the oil you need to have a mechanic look at it that knows diesels especially the 6.4 I wouldnt push driving it if you believe you do have coolant in the oil, last thing you want is a hydrolock situation.
There is a kit you can buy online and from napa that you can use to check and see if you have a head gasket leak. If you believe that it is coolant in the oil you need to have a mechanic look at it that knows diesels especially the 6.4 I wouldnt push driving it if you believe you do have coolant in the oil, last thing you want is a hydrolock situation.
Super Moderator
Joined: Aug 2008
Posts: 37,376
Likes: 1,861
From: Frederick, MD
oil level can rise due to fuel as well.
Does your coolant level go down?
Could also be EGR coolers too.
Pressure testing of the coolant system is a good place to start if you are loosing coolant.
Does your coolant level go down?
Could also be EGR coolers too.
Pressure testing of the coolant system is a good place to start if you are loosing coolant.
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New User
Joined: Jul 2017
Posts: 9
Likes: 0
Thanks for the replys.
Coolant drops like crazy. To town and back = half quart. 200 mile trip equals 1 gallon.
No oil in the coolant.
I'm going to start to disassemble the front to reach the front cover plate. [I'm sure the main problem is here]
Last trip ECT reached 260 at one point. Stayed in the 240's.
Has egr and dpf deletes.
Truck runs fine. I just want to prevent damage so it's parked til fixed.
Coolant drops like crazy. To town and back = half quart. 200 mile trip equals 1 gallon.
No oil in the coolant.
I'm going to start to disassemble the front to reach the front cover plate. [I'm sure the main problem is here]
Last trip ECT reached 260 at one point. Stayed in the 240's.
Has egr and dpf deletes.
Truck runs fine. I just want to prevent damage so it's parked til fixed.
6.7 Weight Loss
Joined: Jun 2017
Posts: 1,141
Likes: 5
From: Woodbury CT
Before you start ripping the thing apart I would have the oil tested. I could very well be fuel that is raising your oil level. Well - not sure - do 2010's have a DPF / do they do regens? If so that could be adding fuel to the oil. Not sure about the EGR system - that dumps exhaust into your cylinders, some stuff will get by the rings but I'm thinking nothing noticeable. Regens on the other hand dump fuel into the cylinders during the exhaust stroke.
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Hotshot
Joined: Jul 2013
Posts: 14,256
Likes: 2,182
check the degas bottle for evidence of coolant in the oil.
what can cause this...
corroded oil cooler / coolant exchange unit...espeacially if there if cool and in the oil.
headgasket....possible...especially if you are getting white smoke
bad egr will put exhuast soot into coolant and that will look like oil
what can cause this...
corroded oil cooler / coolant exchange unit...espeacially if there if cool and in the oil.
headgasket....possible...especially if you are getting white smoke
bad egr will put exhuast soot into coolant and that will look like oil
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New User
Joined: Jul 2017
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Update!
This is how far I got today. Going slow... I found a few trouble spots.
Before I go further here is how I got to this point.
Slight over heat one day. Needed 8 liters of coolant.
Took it to a mechanic. He did a pressure test and coolant was droping from above the oil pan.
He said put this bar's carbon headgasket seal in it and drive it.
It seemed to ease the leak but not fix it.
So I decided it was time to dig further.
Normal?
This is how far I got today. Going slow... I found a few trouble spots.
Before I go further here is how I got to this point.
Slight over heat one day. Needed 8 liters of coolant.
Took it to a mechanic. He did a pressure test and coolant was droping from above the oil pan.
He said put this bar's carbon headgasket seal in it and drive it.
It seemed to ease the leak but not fix it.
So I decided it was time to dig further.
Normal?
